[go: up one dir, main page]

WO2008015755A1 - programme, procédé et dispositif de gestion de documents électroniques - Google Patents

programme, procédé et dispositif de gestion de documents électroniques Download PDF

Info

Publication number
WO2008015755A1
WO2008015755A1 PCT/JP2006/315477 JP2006315477W WO2008015755A1 WO 2008015755 A1 WO2008015755 A1 WO 2008015755A1 JP 2006315477 W JP2006315477 W JP 2006315477W WO 2008015755 A1 WO2008015755 A1 WO 2008015755A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
electronic
document
document management
user
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2006/315477
Other languages
English (en)
Japanese (ja)
Inventor
Takashi Yoshioka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to PCT/JP2006/315477 priority Critical patent/WO2008015755A1/fr
Priority to EP06782335.1A priority patent/EP2048812A4/fr
Priority to JP2008527626A priority patent/JP4894857B2/ja
Publication of WO2008015755A1 publication Critical patent/WO2008015755A1/fr
Priority to US12/354,478 priority patent/US8671280B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/18—Legal services
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/10—Office automation; Time management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60—Digital content management, e.g. content distribution

Definitions

  • the present invention relates to an electronic document management program, an electronic document management method, and an electronic document management apparatus for managing an electronic document.
  • the originality when an electronic document is divided and distributed to a plurality of entities It relates to technology that supports traceability and helps to prove its legitimacy to a third party.
  • Electronic signature is a technology that can identify the author of a document (identity) and at the same time prove to a third party that the document has not been changed from the time it was created (non-falsification).
  • the time stamp can prove the fixed time of the electronic document.
  • Non-Patent Document 4 is known as an electronic document sanitization technique that makes it possible to control whether or not to perform general sanitization.
  • Patent Document 1 Japanese Patent Laid-Open No. 2000-285024
  • Patent Document 2 Japanese Patent Laid-Open No. 2001-117820
  • Non-Patent Document 3 Information Processing Society of Japan Z Computer Security Study Group (CSEC) paper "The issue of electronic text sanitization (2003/7/17) (2003-CSEC-22-009)
  • Non-Patent Document 4 SCIS2004 paper “Electronic document sanitization technology with controllable disclosure conditions” Disclosure of Invention
  • An electronic bond system is a good example of dividing an electronic document and distributing it to a plurality of entities.
  • receivables using a promissory note as an example, in the promissory note method, which is operated on ordinary paper, transfer by receivable split is not allowed at all, and in principle the lump sum transfer described on the surface was the principle .
  • the credit (original) with electronic signature shall be transferred from user (A) to user (B). At this time, for example, ⁇ 50 million is transferred in a lump. [0016] (Case 2)
  • User (B) copies the receivables in his / her local environment to transfer the receivables transferred from user (A) in bulk to users (C) and (D).
  • the user (B) does not renew as a new receivable, but retains the original receivable as it is even though it has been split. There is a possibility of using it. For example, suppose that a user) has renewed to ⁇ 35 million as a new receivable after the split transfer, but neglected to do so intentionally (by negligence). Then, it becomes a double credit (double original), and for the user (A), multiple payments are forced, which is a problem.
  • the electronic bond management institution is positioned as the role of third party public institution. It is assumed that the management and operation of receivables will be performed within the scope of responsibility of the Organization, and monitoring and management will be performed to prevent problems such as scattering of receivables and unknown location due to the operation of only the parties. .
  • the present invention has been made to solve the above-described problems, and guarantees originality and traceability when an electronic document is divided and distributed to a plurality of entities. It is intended to make it easy to prove to a person.
  • the present invention is an electronic document management program that causes a computer to manage document information created with electronic information, and can identify each of a plurality of parts of the document information.
  • a document information acquisition step for acquiring a plurality of pieces of partial identification information shown in FIG. 5 and an electronic signature corresponding to the document information, and the creation type, creator, and creation date of the document information are acquired as tracking information of the document information.
  • Information related to the tracking information is presented to the user in response to a request for force, and the document information acquisition step is further performed in response to an instruction from the user force.
  • the electronic document management program of the present invention includes a verification step that presents the tracking information to the user in a predetermined form and assists the user in verifying the validity of the document information.
  • the partial identification information acquired in the document information acquisition step is acquired as hash information generated using each part of the document information. .
  • the hash information is generated by adding a random number to information of each part of the document information.
  • the document information is an electronic bond generated from electronic information.
  • the creation type of the document information includes at least one of new issue of electronic receivables, batch transfer of electronic receivables, split issue of electronic receivables, and split transfer of electronic receivables. Or one.
  • the present invention is an electronic document management method for managing document information created and registered with electronic information by a computer, and a plurality of parts representing each of the plurality of parts of the document information in an identifiable manner.
  • Document information acquisition step for acquiring identification information and an electronic signature corresponding to the document information
  • tracking information acquisition for acquiring the creation type, creator, and creation date of the document information as tracking information for the document information
  • managing the partial identification information and the electronic signature acquired in the document information acquisition step and the tracking information acquired in the tracking information acquisition step in association with each other, and in response to a request from the user Presenting the information related to the tracking information to the user, and further, in response to an instruction from the user, the document information acquisition step and the tracking information acquisition.
  • the present invention is an electronic document management apparatus for managing document information created and registered with electronic information by a computer, and a plurality of parts representing each of the plurality of parts of the document information in an identifiable manner.
  • a document information acquisition unit that acquires identification information and an electronic signature corresponding to the document information, and tracking information acquisition that acquires the creation type, creator, and creation date and time of the document information as tracking information of the document information
  • the document information acquisition unit And managing the partial identification information and the electronic signature that have been obtained and the tracking information acquired by the tracking information acquisition unit in association with each other, and in response to a request from a user, information on the tracking information is stored in the user
  • a management unit that causes the document information acquisition unit to acquire the document information and the tracking information acquisition unit to acquire the tracking information in response to an instruction from the user.
  • ⁇ 1] A diagram showing an example of a case where the bond split is realized electronically.
  • FIG. 2 is a diagram showing the principle of the present invention and a system configuration example.
  • FIG.3 A diagram showing an electronic bond workflow and scenario.
  • FIG. 4 is a diagram showing a processing flowchart at the time of new issue.
  • FIG. 7 A diagram showing a processing flowchart for batch transfer.
  • FIG. 8 is a diagram showing an example of generation of bonds and PIAT information (second edition).
  • FIG. 10 is a diagram showing a processing flowchart for divided issue.
  • FIG. 12 is a diagram showing a configuration example of tracking information (2a-l version) of the tracking information management unit.
  • FIG. 13 is a diagram showing a processing flowchart for divided transfer.
  • FIG. 14 is a diagram showing an example of generation of bonds and PIAT information (version 2a-2).
  • FIG. 15 is a diagram showing a configuration example of tracking information (version 2a-2) of the tracking information management unit.
  • FIG. 16 A diagram showing an example of generation of bonds and PIAT information (2b-l version).
  • FIG. 17 is a diagram showing a configuration example of tracking information (2b-l version) of the tracking information management unit.
  • FIG. 18 A diagram showing an example of generation of bonds and PIAT information (version 2b-2).
  • FIG. 19 is a diagram showing a configuration example of tracking information (version 2a-2) of the tracking information management unit.
  • FIG. 20 is a diagram showing a processing flowchart at the time of update.
  • ⁇ 21 This is a diagram showing an example of generation of bonds and PIAT information (3rd edition).
  • FIG. 22 is a diagram illustrating a configuration example of tracking information (third version) of the tracking information management unit.
  • FIG. 23 is a diagram showing a state of bond management in the document information management unit.
  • FIG. 24 is a conceptual diagram showing a proof of legality of credit at the time of splitting / updating.
  • FIG. 25 is a diagram showing an image of PIAT information verification by a tracking information verification unit.
  • FIG. 2 is a block diagram showing a principle diagram and a configuration example of an electronic bond system (electronic bond management institution: corresponding to the electronic document management apparatus of the present invention) in the present invention.
  • the electronic bond system (electronic document management apparatus) 10 shown in FIG. 2 includes a management unit 1, an original ID generation unit 40, a certificate issuance unit 50, and a tracking information verification unit 60.
  • the management unit 1 includes an original information management unit (document information management unit of the present invention) 20 and a tracking information management unit 30.
  • the original information management unit 20 includes an original information acquisition unit (original information acquisition unit) 20a that acquires original information (document information), and the tracking information management unit 30 includes a tracking information acquisition unit 30a that acquires tracking information. .
  • the original information management unit 20 acquires, stores, and manages original information (document information) in preparation for subsequent original tracking and third-party certification.
  • original information partial change management information (hereinafter abbreviated as PIAT information) is recorded and managed.
  • PIAT information corresponds to, for example, electronic information divided into arbitrary blocks, and calculated and combined information for each block.
  • the output information of partial change management information cannot be guessed, and is structured (so-called partial ciphertext), and has the effect of comparing partial information and preventing leakage. .
  • the information is recorded and managed in an electronic bond management organization, thereby protecting personal information and ensuring the originality and traceability of electronic bonds while maintaining privacy protection. It is possible to provide a mechanism for enabling the person to prove.
  • management is performed for each version (do not overwrite !, version management) so that the partial change management information targeted for headquarters capability verification can be easily retrieved and retrieved.
  • the tracking information management unit 30 collectively manages the tracking information so that subsequent claim tracking becomes easy. For example, tracking history information such as “original, creation type, creator, version number, creation date and time” is maintained, and batch management is performed while maintaining order.
  • the original ID generation unit 40 generates an ID for uniquely identifying original information.
  • the certificate issuing unit 50 issues a registration certificate indicating that the original information is registered in the document information management unit. It corresponds to the information endorsed by so-called electronic credit management agencies.
  • the tracking information verification unit 60 receives the original information stored in the document information management unit 20 and the tracking information stored in the tracking information management unit 30 as inputs, and verifies the originality of the bond. I do.
  • the electronic communication path 70 constitutes a means for transmitting and distributing processing requests from each actor and bonds.
  • the electronic bond system 10 and all external actors existing in the vicinity are all connected to the electronic communication path 70. Connected to.
  • the electronic communication path 70 corresponds to any communication protocol such as the Internet, an intranet, an extranet, and a wide area network.
  • the user 80 is an actor who uses the electronic bond system 10 and accesses the electronic bond system 10 via the electronic communication path 70.
  • CA90 is an actor used to give a digital signature (PKI signature) to a claim in order to ascertain who created the claim and to ensure that the claim has not been tampered with!
  • PKI signature digital signature
  • CA is an abbreviation for Certificate Authority.
  • TA100 is an actor used to give a time stamp to a claim to guarantee that it has not been tampered with from this point (guarantee the creation confirmation time of the claim).
  • TA is an abbreviation for Time Authority.
  • CA90 TA uses the one issued by this organization to strengthen the credibility and authenticity of receivables and perform strict third party certification. Is possible.
  • stepl For example, suppose that Hanako Suzuki 80A decides to purchase a home on March 1 and enters into a contract with Sato Corporation 80B. The contract will issue a new electronic promissory note for the property purchase price of ⁇ 50 million with June 1 as the property delivery date, three days later, and that date as the due date.
  • Step 2 Hanako Suzuki 80A will collectively transfer the electronic promissory note worth ⁇ 50 million to Sato Construction Company 80B.
  • step 3 Sato Construction Company 80B receives an electronic promissory bill of ⁇ 50 million from Hanako Suzuki 80A and starts construction work on March 1.
  • step4 Hanako Suzuki The total amount of ⁇ 50 million from 80A is paid! /, Due date is June 1st, and the construction work start date (March 1st) is Yamada Timber 80C, Materials necessary for construction cannot be procured from Kimura Cement 80D. Therefore, we consider dividing the electronic promissory note received from Hanako Suzuki 80A and transferring it. The amount of each transfer will be as follows (Yamada Wood 80C ⁇ 10 million, Kimura Cement 80D ⁇ 5 million).
  • step 5 Sato Kogyo 80B, from Hanako Suzuki's 80A, about 50 million electronic bills received from 80A, processed into bills of wood for 10 million minutes and issued electronic promise bills (split), Yamada Wood Divided and transferred to 80C. At this time, items other than the split amount and payee (sender, date of payment, due date, place of payment, etc.) are still described by Hanako Suzuki 80A. Similarly, Sato Construction Company 80B will process the electronic promise bill ( ⁇ 50 million) from the ⁇ 50 million electronic promise bill received from Hanako Suzuki 80A, issue the electronic promise bill (split), and transfer it to Kimura Cement 80D. To do. At this time, items other than the split amount and payee (sender, date of payment, payment! Due date, place of payment, etc.) are still described by Hanako Suzuki 80A.
  • Sato Construction Company 80B splits ⁇ 50 million electronic bills received from Hanako Suzuki 80A from Yamada Wood 80C for ⁇ 10 million and Kimura Cement 80D for ⁇ 5 million for cement As a result of the transfer, the remaining ⁇ 35 million will be updated as a new electronic promissory note for Sato 80B. At this time, items other than the split amount (drawer, payee, transfer date, payment date, place of payment, etc.) are still described by Hanako Suzuki 80A.
  • FIG. 4 is a flowchart of the new issue process
  • FIG. 5 is a diagram showing the bond content (a) at the time of the new issue process (first edition) and an example (b) of generating PIAT information thereof.
  • the new issue processing operation is described below.
  • Ms. Hanako Suzuki 80A obtains a model of electronic promissory note (credit) from the electronic credit system 10 and inputs necessary information as shown in Fig. 5 (a) (step ST -C1).
  • the terminal (PC (personal computer), etc.) on the user side is equipped with an application to install (install) the electronic bond system 10 via the electronic communication path 70. It shall be used.
  • PKI signature The digital signature used (hereinafter abbreviated as PKI signature) and time stamp (hereinafter abbreviated as TS) are assigned (step ST-C2).
  • TS time stamp
  • CA Third Party Issuing Authority: Certificate Authority
  • TA Time Authority: Time Authority
  • the application installed on the user side also generates PIAT information for the information power of the bond (step ST-C3).
  • the power electronic bond system 10 itself, which generates PIAT information using an application installed on the user side, or a third party having such a function may perform it.
  • Hanako Suzuki's 80A PKI signature and TS are assigned to the information (step ST-C4).
  • the character string “123” is concatenated with the random number (R part in this example) “123” and the transfer amount “50,000,000”. +50,000,000 " Generates shush information. As a result of the generation, the hash information “abcde” is output.
  • the reason for using random numbers in this example is to prevent the contents of the generated PIAT information power claims from being guessed.
  • the role of the present invention is not only to manage personal information 'privacy information in the electronic bond management organization (the substance of the bond is not retained), but also to manage the electronic bond, originality, tracking It is intended to provide a means to ensure the sexuality and prove it to a third party.
  • PIAT information is a ciphertext whose output information power cannot be used to infer the content of the text, and has the effect of easy comparison of partial information and prevention of leakage.
  • hash information In order to avoid this problem, it is desirable to generate hash information by combining random numbers.
  • random numbers are used, but methods other than random numbers may be used for this purpose.
  • time information may be used to indicate that the input was made at that time.
  • the application installed on the user side issues a claim registration request to the electronic claim system 10.
  • the generated PIAT information is sent as bond information to notify that the process is newly generated (step ST-C5).
  • the electronic bond system 10 that has received the new generation processing request is the PKI signature of Hanako Suzuki 80A given to the bond, and the credit sent from Hanako Suzuki 80A certainly from TS. Confirm that it exists (step ST-C6).
  • the original ID generation unit 40 in the electronic bond system 10 generates and assigns an ID for uniquely identifying the bond.
  • the original ID "A0001" is obtained. (Step ST-C7).
  • the electronic bond system 10 registers and saves it in the document information management unit 20 in a state where the previously generated original ID is associated. As a result, the information can be easily retrieved after the fact (step ST-C8).
  • the certificate issuing unit 50 in the electronic bond system 10 issues a registration certificate indicating that it has been registered and stored, and sends it to Hanako Suzuki 80A (step ST-C9).
  • the registration certificate includes, for example, information such as original, creation type, creator, version number, creation date and time. It is desirable that the information be given a PKI signature of the electronic bond system 10 and a TS to prevent subsequent modification.
  • the tracking information management unit 30 in the electronic bond system 10 generates and manages tracking information including, for example, the original, creation type, creator, version number, creation date and time (step ST-C10 ).
  • FIG. 6 is a diagram showing a configuration example of the tracking information of the first version, and shows an entry to the electronic bond system 10.
  • Fig. 7 is a flowchart showing the lump-sum transfer process
  • Fig. 8 shows an example of generating the contents (a) and PIAT information (b) of the bonds (2nd edition) that have been lump-sum transferred.
  • the batch transfer processing operation is described below.
  • Sato Construction Company 80B receives the bond from Hanako Suzuki 80A (step ST-S1).
  • a terminal (PC, etc.) on the user side (Sato Corporation 80B) is equipped (installed) with an application for exchanging with the electronic bond system 10 via the electronic communication path 70.
  • the received information is a credit and registration certificate pair.
  • Sato 80B confirms the content of the receivable and performs the collective transfer approval process (step ST-S3 ).
  • an “approval button” is prepared on the screen as an approval method, and a form of clicking the button is conceivable.
  • step ST-S5 the application installed on the user side also generates PIAT information for the information power of the bond.
  • step ST-S5 the PKI signature and TS of Sato Construction Company 80B are assigned to the information (step ST-S)
  • Sato Corporation 80B may add the approval information to the receivable and update it to the effect that the contents of the lump-sum transfer have been approved.
  • the status and information of the first edition did not change, indicating that the contents of the batch transfer were accepted and approved by Sato 80B. If the information on receivables does not change, it may not be necessary to update the second edition.
  • the fact that the approval was approved in this state was managed by an electronic receivables management organization. Mr. Hanako Suzuki received it as it was from 80A V, and proved that after the fact, it is in this form in preparation.
  • the electronic bond system 10 that received the bulk transfer processing request is the credit card sent from the Sato contractor 80B PKI signature granted to the claim, TS, and certainly from the Sato contractor 80B. Make sure that Check the registration certificate received together and match which claims have been transferred at once (step ST-S8).
  • the original ID generation unit 40 in the electronic bond system 10 that has received the collective transfer processing request generates and assigns an ID for uniquely identifying the bond.
  • the original ID "A0002" is obtained. (Step ST-S9).
  • the electronic receivable system 10 registers and stores it in the document information management unit 20 in a state where the generated original ID is associated (step ST-S10). .
  • the certificate issuing unit 50 in the electronic bond system 10 issues a registration certificate indicating that it has been registered and stored, and sends it to the Sato Corporation 80B (step ST-S11).
  • the tracking information management unit 30 in the electronic bond system 10 generates and manages tracking information.
  • FIG. 9 is a diagram showing a configuration example of the tracking information of the second edition, showing an entry state to the electronic bond system 10! /.
  • FIG. 10 is a flowchart showing the split issue process
  • FIG. 11 shows an example of generation of the contents (a) of the receivables (2a_l version) subjected to the split issue process and the PIAT information (b) thereof.
  • the following is an explanation of the split issue processing operation.
  • split processing is performed as shown by CHI in Fig. 11 (a) (step ST-Pl).
  • step ST-P3 The application installed on the user side generates PIAT information from the bond information as shown by CH2 in FIG. 11 (b) (step ST-P3).
  • step ST-P4 the PKI signature and TS of Sato Corporation 80B are assigned to the information (step ST-P4). For example, only the credit amount and the payee are changed as the division processing.
  • step ST-P5 The application installed on the user side issues a claim registration request to the electronic bond system 10.
  • a pair of the generated PIAT information and the registration certificate received together at the time of collective transfer is sent as bond information, and notification that the process is a split transfer process (step ST-P5) .
  • the electronic receivable system 10 that received the split transfer request is the receivable sent from Sato 80B's PKI signature, TS, and certainly Sato 80B. Make sure that there is. Check the registration certificate received together, and match which claims are divided and transferred (step ST-P6).
  • the original ID generation unit 40 in the electronic bond system 10 that has received the split transfer process request generates and assigns an ID for uniquely identifying the bond.
  • the original ID "A5001" is obtained (step ST-P7).
  • the electronic receivable system 10 registers and stores it in the document information management unit 20 in a state in which the generated original ID is associated (step ST-P8). .
  • the certificate issuing unit 50 in the electronic bond system 10 issues a registration certificate indicating that it has been registered and stored, and sends it to the Sato Corporation 80B (step ST-P9).
  • the tracking information management unit 30 in the electronic bond system 10 generates and manages tracking information (step ST-P10).
  • Fig. 12 shows an example of the configuration of the tracking information of version 2a-l, and shows the entry to the electronic bond system 10.
  • Sato Construction Company 80B sends and split-transfers the pair of the certificate of registration of the credit and the credit obtained from the electronic credit system 10 to Yamada Lumber 80C (step ST-P11).
  • FIG. 13 is a flowchart showing the split transfer process
  • FIG. 14 shows the split issue process.
  • the contents (a) and the PIAT information (b) of the receivable (2a_2 version) are shown.
  • the divided transfer processing operation will be described.
  • the terminal (PC, etc.) on the user side (Yamada Timber 80C) is equipped (installed) with an application for exchanging with the electronic bond system 10 via the electronic communication path 70.
  • the received information is a pair of split receivables and a registration certificate.
  • Yamada Lumber 80C confirms the contents of the bond and performs the split transfer approval process as shown in Figure 14 (a) (Step ST-R3) .
  • step ST-R5 the application installed on the user side generates information power PIAT information of the bond.
  • step ST-R6 the PKI signature and TS of Yamada Timber 80C are assigned to the information (step ST-R6).
  • the electronic bond system 10 that has received the split transfer request is a PKI signature of Yamada Timber 80C granted to the bond, and is indeed a loan sent from Yamada Timber 80C. Confirm. Check the registration certificate received together, and perform matching to determine from which bond the split was transferred (step ST-R8).
  • the electronic receivable system 10 registers and stores it in the document information management unit 20 in a state where the original ID generated previously is supported (step ST-R10). .
  • the certificate issuing unit 50 in the electronic bond system 10 issues a registration certificate indicating registration and storage and sends it to Yamada Lumber 80C (step ST-R11).
  • Tracking information management unit 30 in electronic bond system 10 generates and manages tracking information
  • FIG. 15 is a diagram showing the configuration of the tracking information of version 2a-2, showing the entry state to the electronic bond system 10!
  • Fig. 16 shows an example of generating the contents (a) and the PIAT information (b) of receivables (2b-l version) that have been split-issued.
  • the divided issue processing operation will be described.
  • Sato Construction Company 80B splits the receivables transferred from Hanako Suzuki 80A to Kimura Cement 80D, as indicated by CH3 in Fig. 16 (a). (Step ST-Pl).
  • step ST-P3 The application installed on the user side also generates PIAT information for the information power of the bond as indicated by CH4 in FIG. 16 (b) (step ST-P3).
  • step ST-P4 the PKI signature and TS of Sato Corporation 80B are assigned to the information (Step ST-P4).
  • the hash information "poiuy" is output as a result of generating the hash information. Since the portion other than the amount of receivables and the payee should not be changed, neither the random number nor the details of the receivable will be changed. At this time, if the part that should not be changed is changed intentionally or negligently, the generated PIAT information power can also detect subsequent tampering, and the granted Sato Corporation 80B It is possible to clarify the scope of responsibility from the PKI signature and TS.
  • the electronic receivable system 10 that received the split transfer request is the receivable sent from Sato 80B's PKI signature, TS, and certainly Sato 80B. Make sure that there is. Check the registration certificate received together and match which claims have been divided and transferred (step ST-P6).
  • the original ID generation unit 40 in the electronic bond system 10 that has received the split transfer processing request generates and assigns an ID for uniquely identifying the bond.
  • the original ID "A5002" is obtained (step ST-P7).
  • the electronic receivable system 10 registers and stores it in the document information management unit 20 in a state in which the generated original ID is associated (step ST-P8). .
  • the certificate issuing unit 50 in the electronic bond system 10 issues a registration certificate indicating that it has been registered and stored, and sends it to the Sato Corporation 80B (step ST-P9).
  • FIG. 17 is a diagram showing a configuration example of the tracking information of the 2b-l version, and shows an entry state to the electronic bond system 10! /.
  • FIG. Fig. 18 shows an example of the content (a) and the PIAT information (b) of the receivable (part 2b-2) that was split and transferred.
  • the split transfer operation will be described below.
  • Kimura Cement 80D receives the installment loan from Sato Construction Company 80B (step ST-R1).
  • a terminal (PC, etc.) on the user side (Kimura Cement 80D) is equipped with (installed) an application for exchanging with the electronic bond system 10 via the electronic communication path 70. , This shall be used.
  • the received information is a pair of split receivables and registration certificate.
  • Kimura Cement 80D confirms the content of the receivable and performs the split transfer approval process (step ST-R3), as shown in Fig. 18 (a).
  • step ST-R5 The application installed on the user side generates the information power PIAT information of the bond as shown in (b) of FIG. 18 (step ST-R5).
  • step ST-R6 the PKI signature of Kimura Cement 80D and TS are assigned to the information (step ST-R6).
  • the application installed on the user side issues a claim registration request to the electronic bond system 10.
  • a pair of the generated PIAT information and the registration certificate received together at the time of split transfer is sent as receivable information to notify that the process is a split transfer process (step ST-R7).
  • the electronic credit system 10 that received the split transfer processing request is a credit sent from Kimura Cement 80D from the PKI signature and TS of Kimura Cement 80D granted to the credit. Confirm. Check the registration certificate received together, and match from which receivable it was divided and transferred (step ST-R8).
  • the original ID generation unit 40 in the electronic bond system 10 that has received the split transfer processing request generates and assigns an ID for uniquely identifying the bond.
  • the original ID "A9002" is obtained (step ST-R9).
  • the electronic receivable system 10 registers and stores it in the document information management unit 20 in a state where the original ID generated previously is supported (step ST-R10). .
  • the certificate issuing unit 50 in the electronic bond system 10 issues a registration certificate indicating that it has been registered and stored, and sends it to Kimura Cement 80D (step ST-R11).
  • the tracking information management unit 30 in the electronic bond system 10 generates and manages tracking information.
  • Step ST-R12 Figure 19 shows an example of the configuration of the tracking information of version 2a-2, showing the entry into the electronic bond system 10! /.
  • Fig. 20 is a flowchart showing the renewal process
  • Fig. 21 shows the receivables (No.
  • Sato Corporation 80B reflects the split transfer process from Yamako timber 80C and Kimura Cement 80D from the receivable transferred from Hanako Suzuki, 80A, to CH5 in Fig. 21 (a). As shown in Fig. 4, renewal processing is performed as a new bond (step ST-Ul).
  • step ST-U3 The application installed on the user side generates PIAT information from the bond information as indicated by CH6 in FIG. 21 (b) (step ST-U3).
  • step ST-U4 the PKI signature and TS of Sato Engineering Co., Ltd. 80B are assigned to the information (step ST-U4).
  • the electronic bond system 10 that has received the renewal processing request is a bond sent from the Sato 80B PKI signature, TS, and indeed the Sato 80B, which was granted to the claim. And confirm. Check the registration certificate received together and match which receivable was renewed (step ST-U6).
  • the electronic receivable system 10 registers and stores it in the document information management unit 20 in a state where the original ID generated earlier is supported (step ST-U8). .
  • the certificate issuing unit 50 in the electronic bond system 10 issues a registration certificate indicating that it has been registered and stored, and sends it to the Sato Corporation 80B (step ST-U9).
  • FIG. 22 is a diagram showing a configuration example of the tracking information of the third edition, showing an entry state to the electronic bond system 10! /.
  • FIG. 23 shows the state of management of receivables (PIAT information) accumulated in the document information management unit 20 in the process so far.
  • Sato Construction Company 80B receives the newly issued receivable by Mr. Hanako Suzuki 80A, and transfers it in bulk.
  • the changed part is determined by the PKI signature and time stamp given to the PIAT information as follows: “, tsu (from TS), who (Sato Corporation 80B), what (2 It becomes possible to prove the version after) ”.
  • the PIAT information power with the PKI signature can be verified afterwards, regardless of where (the amount and the recipient) or who (Sato Kogyo 80B). Become.
  • the tracking information power of the tracking information management unit 30 can also be proved after the fact "how (divisionally transferred)".
  • split transfer from 2a-l version to 2a-2 version, from 2b-l version to 2b-2 version
  • the split loans issued by Sato Kogyo 80B are designated as Yamada Timber 80C and Kimura Cement 80D.
  • S3A, S3B in the figure when updating (from 2nd edition to 3rd edition), change the monetary amount part, It is possible to prove afterwards that the place of payment, the recipient, the date of withdrawal, and the portion of the originator have not changed (S4 in the figure).
  • Fig. 25 shows the image, and the following verification can be performed.
  • V Rl, VR5, and VR6 in the figure, the amount of receivable, the repayment person, and the place of payment approved by Hanako Suzuki 80A at the time of new issuance are not illegally altered in the middle of the subsequent split / update process.
  • VR2 and VR3 confirm that Sato's 80B has been updated and approved after the split transfer. Is possible.
  • PIAT information collectively managed by the electronic bond system (electronic bond management institution) 10 may be disclosed and certified to a third party that specializes in the verification.
  • the originality and traceability when dividing an electronic document, which has been impossible with the conventional technique and a simple combination thereof, and distributing it to a plurality of entities are improved. It is possible to guarantee and prove its validity to a third party. Specifically, it is possible to easily confirm whether the recipient of the split receivable is a real receivable and receive it with peace of mind, and further, it is possible to perform receivable tracking and route guarantee. In the former, you can check which part of the receivable, and in addition to confirming “how much, how much is split and how much is the equity”, you can also check that the split issuance is correctly updated. In addition to introducing an operating system (not holding the substance of the claim), managing the privacy information, ensuring originality and traceability. It becomes possible to prove the validity to a third party.
  • the steps shown in the respective flowcharts are stored as an electronic document management program in a computer-readable recording medium, thereby causing the computer to execute the electronic document management method.
  • the computer-readable recording medium is a CD-ROM, It includes portable storage media such as flexible disks, DVD disks, magneto-optical disks, and IC cards, databases that hold computer programs, other databases as well as their databases, and transmission media on lines.

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Strategic Management (AREA)
  • Human Resources & Organizations (AREA)
  • Tourism & Hospitality (AREA)
  • Physics & Mathematics (AREA)
  • Economics (AREA)
  • Health & Medical Sciences (AREA)
  • Entrepreneurship & Innovation (AREA)
  • General Business, Economics & Management (AREA)
  • Marketing (AREA)
  • General Health & Medical Sciences (AREA)
  • Technology Law (AREA)
  • Computer Hardware Design (AREA)
  • Primary Health Care (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Data Mining & Analysis (AREA)
  • Bioethics (AREA)
  • Operations Research (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Storage Device Security (AREA)

Abstract

Selon l'invention, des informations d'identification partielle représentant individuellement des parties d'informations de documents de manière identifiable et la signature électronique correspondant aux informations de documents sont acquises, et le type de création, le créateur, la date et l'heure de création des informations de documents sont acquises comme des informations de suivi pour suivre les informations de documents. Les informations d'identification partielle acquises, la signature électronique, et les informations de suivi sont associées les unes aux autres et gérées. En réponse à une demande de l'utilisateur, des informations sur les informations de suivi sont présentées à l'utilisateur. Selon en outre l'instruction de l'utilisateur, de nouvelles informations de documents et informations de suivi sont acquises.
PCT/JP2006/315477 2006-08-04 2006-08-04 programme, procédé et dispositif de gestion de documents électroniques Ceased WO2008015755A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/JP2006/315477 WO2008015755A1 (fr) 2006-08-04 2006-08-04 programme, procédé et dispositif de gestion de documents électroniques
EP06782335.1A EP2048812A4 (fr) 2006-08-04 2006-08-04 Programme, procede et dispositif de gestion de documents electroniques
JP2008527626A JP4894857B2 (ja) 2006-08-04 2006-08-04 電子文書を管理するプログラム、方法、及び装置
US12/354,478 US8671280B2 (en) 2006-08-04 2009-01-15 Program, method and apparatus for managing electronic documents

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2006/315477 WO2008015755A1 (fr) 2006-08-04 2006-08-04 programme, procédé et dispositif de gestion de documents électroniques

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/354,478 Continuation US8671280B2 (en) 2006-08-04 2009-01-15 Program, method and apparatus for managing electronic documents

Publications (1)

Publication Number Publication Date
WO2008015755A1 true WO2008015755A1 (fr) 2008-02-07

Family

ID=38996943

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/315477 Ceased WO2008015755A1 (fr) 2006-08-04 2006-08-04 programme, procédé et dispositif de gestion de documents électroniques

Country Status (4)

Country Link
US (1) US8671280B2 (fr)
EP (1) EP2048812A4 (fr)
JP (1) JP4894857B2 (fr)
WO (1) WO2008015755A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007104643A (ja) * 2005-09-09 2007-04-19 Canon Inc 情報処理装置、検証処理装置及びそれらの制御方法、コンピュータプログラム及び記憶媒体
JP2009200595A (ja) * 2008-02-19 2009-09-03 Fujitsu Ltd 署名管理プログラム、署名管理方法及び署名管理装置
JP2010108383A (ja) * 2008-10-31 2010-05-13 Fujitsu Frontech Ltd 電子文書管理装置および電子文書管理方法
JP2011061815A (ja) * 2010-10-12 2011-03-24 Fujitsu Ltd 署名管理方法、署名管理システム
JP2013050909A (ja) * 2011-08-31 2013-03-14 Sumitomo Mitsui Banking Corp 口座管理システムおよび方法
KR20190030308A (ko) * 2017-09-14 2019-03-22 주식회사 아이리마인즈 해외 담보를 이용한 ｐ2ｐ 방식의 자금 조달 시스템

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7565358B2 (en) * 2005-08-08 2009-07-21 Google Inc. Agent rank
US7761471B1 (en) 2007-10-16 2010-07-20 Jpmorgan Chase Bank, N.A. Document management techniques to account for user-specific patterns in document metadata
US8407217B1 (en) * 2010-01-29 2013-03-26 Guangsheng Zhang Automated topic discovery in documents
US9674132B1 (en) * 2013-03-25 2017-06-06 Guangsheng Zhang System, methods, and user interface for effectively managing message communications
KR101487602B1 (ko) 2013-06-24 2015-02-04 중소기업은행 금융거래서 작성 장치 및 방법
KR101535349B1 (ko) * 2013-09-05 2015-07-08 중소기업은행 승인 서류 처리 장치 및 방법
JP6135778B2 (ja) * 2014-02-14 2017-05-31 富士通株式会社 ドキュメント管理プログラム、装置、および方法
CN106161359B (zh) * 2015-04-02 2019-09-17 阿里巴巴集团控股有限公司 认证用户的方法及装置、注册可穿戴设备的方法及装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01163871A (ja) * 1987-12-21 1989-06-28 Hitachi Ltd 伝票圧縮文の作成方法
JP2000285024A (ja) 1999-03-30 2000-10-13 Ricoh Co Ltd 原本性保証電子保存方法およびその方法をコンピュータに実行させるためのプログラムを記録したコンピュータ読み取り可能な記録媒体
JP2001117820A (ja) 1999-10-15 2001-04-27 Fujitsu Ltd 電子原本管理装置および方法
JP2004364070A (ja) * 2003-06-06 2004-12-24 Hitachi Ltd マスキング可能な署名技術を用いた電子文書管理システム
JP2005051734A (ja) * 2003-07-15 2005-02-24 Hitachi Ltd 電子文書の真正性保証方法および電子文書の公開システム
JP2006060722A (ja) * 2004-08-24 2006-03-02 Hitachi Ltd 電子文書の真正性保証方法および電子文書の公開システム
JP2006060724A (ja) * 2004-08-24 2006-03-02 Mitsubishi Electric Information Systems Corp 電子署名システム及び電子署名プログラム
JP2006146772A (ja) * 2004-11-24 2006-06-08 Dainippon Printing Co Ltd 処理装置及びプログラム

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5465299A (en) * 1992-12-03 1995-11-07 Hitachi, Ltd. Electronic document processing system and method of forming digital signature
US7162635B2 (en) * 1995-01-17 2007-01-09 Eoriginal, Inc. System and method for electronic transmission, storage, and retrieval of authenticated electronic original documents
JP2001508883A (ja) * 1996-12-20 2001-07-03 ファイナンシャル サーヴィシーズ テクノロジー コンソーティアム 電子文書を処理する方法およびシステム
US6601172B1 (en) * 1997-12-31 2003-07-29 Philips Electronics North America Corp. Transmitting revisions with digital signatures
DE19847943A1 (de) * 1998-10-09 2000-04-13 Deutsche Telekom Ag Verfahren zum Generieren von digitalen Wasserzeichen für elekronische Dokumente
JP2000181974A (ja) * 1998-12-14 2000-06-30 Sakura Bank Ltd 一括ファクタリング装置
US7194435B1 (en) * 1999-10-22 2007-03-20 Joseph Sforzo Computerized method, apparatus and system for issuing surety bonds
WO2001084443A1 (fr) * 2000-05-03 2001-11-08 Harrison Shelton E Jr Processus electronique de cautionnement et de garantie et procede commercial
US20050120217A1 (en) * 2000-06-05 2005-06-02 Reallegal, Llc Apparatus, System, and Method for Electronically Signing Electronic Transcripts
AU2001275298A1 (en) * 2000-06-06 2001-12-17 Ingeo Systems, Inc. Creating and verifying electronic documents
WO2001095560A1 (fr) * 2000-06-06 2001-12-13 Ingeo Systems, Inc. Procede de transport de documents securise
JP2003058797A (ja) * 2001-08-21 2003-02-28 Nippon Telegraph & Telephone East Corp 併存的債務引受システム、方法及びプログラム
US7167986B2 (en) * 2001-12-26 2007-01-23 Storage Technology Corporation Upgradeable timestamp mechanism
US20040230531A1 (en) * 2003-04-29 2004-11-18 Harold Weiss System for handling electronic messages with the senders' financial guarantee
WO2005029292A1 (fr) * 2003-09-24 2005-03-31 Accenture Global Services Gmbh Signature numerique sur serveur
US7315866B2 (en) * 2003-10-02 2008-01-01 Agency For Science, Technology And Research Method for incremental authentication of documents
JP2005309697A (ja) * 2004-04-20 2005-11-04 Mizuho Corporate Bank Ltd 債権流動化システム及び債権流動化処理方法
US7568101B1 (en) * 2004-05-13 2009-07-28 Microsoft Corporation Digital signatures with an embedded view
WO2006008847A1 (fr) * 2004-07-20 2006-01-26 Fujitsu Limited Systeme de gestion de documents electroniques
EP1643402A3 (fr) * 2004-09-30 2007-01-10 Sap Ag Preuve de l'authenticité de longue durée des documents electroniques
JP4728104B2 (ja) * 2004-11-29 2011-07-20 株式会社日立製作所 電子画像の真正性保証方法および電子データ公開システム
JP4622811B2 (ja) * 2005-11-04 2011-02-02 株式会社日立製作所 電子文書の真正性保証システム
WO2007106851A2 (fr) * 2006-03-14 2007-09-20 Document Atm Incorporated Accès distribué à des documents et des données précieuses et confidentielles
JP4270276B2 (ja) * 2006-12-27 2009-05-27 株式会社日立製作所 電子データの真正性保証方法およびプログラム

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01163871A (ja) * 1987-12-21 1989-06-28 Hitachi Ltd 伝票圧縮文の作成方法
JP2000285024A (ja) 1999-03-30 2000-10-13 Ricoh Co Ltd 原本性保証電子保存方法およびその方法をコンピュータに実行させるためのプログラムを記録したコンピュータ読み取り可能な記録媒体
JP2001117820A (ja) 1999-10-15 2001-04-27 Fujitsu Ltd 電子原本管理装置および方法
JP2004364070A (ja) * 2003-06-06 2004-12-24 Hitachi Ltd マスキング可能な署名技術を用いた電子文書管理システム
JP2005051734A (ja) * 2003-07-15 2005-02-24 Hitachi Ltd 電子文書の真正性保証方法および電子文書の公開システム
JP2006060722A (ja) * 2004-08-24 2006-03-02 Hitachi Ltd 電子文書の真正性保証方法および電子文書の公開システム
JP2006060724A (ja) * 2004-08-24 2006-03-02 Mitsubishi Electric Information Systems Corp 電子署名システム及び電子署名プログラム
JP2006146772A (ja) * 2004-11-24 2006-06-08 Dainippon Printing Co Ltd 処理装置及びプログラム

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2048812A4

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007104643A (ja) * 2005-09-09 2007-04-19 Canon Inc 情報処理装置、検証処理装置及びそれらの制御方法、コンピュータプログラム及び記憶媒体
JP2009200595A (ja) * 2008-02-19 2009-09-03 Fujitsu Ltd 署名管理プログラム、署名管理方法及び署名管理装置
US8909921B2 (en) 2008-02-19 2014-12-09 Fujitsu Limited Signature management method and signature management device
JP2010108383A (ja) * 2008-10-31 2010-05-13 Fujitsu Frontech Ltd 電子文書管理装置および電子文書管理方法
JP2011061815A (ja) * 2010-10-12 2011-03-24 Fujitsu Ltd 署名管理方法、署名管理システム
JP2013050909A (ja) * 2011-08-31 2013-03-14 Sumitomo Mitsui Banking Corp 口座管理システムおよび方法
KR20190030308A (ko) * 2017-09-14 2019-03-22 주식회사 아이리마인즈 해외 담보를 이용한 ｐ2ｐ 방식의 자금 조달 시스템
KR102012673B1 (ko) * 2017-09-14 2019-08-21 주식회사 아이리마인즈 해외 담보를 이용한 ｐ2ｐ 방식의 자금 조달 시스템

Also Published As

Publication number Publication date
EP2048812A4 (fr) 2014-05-07
JPWO2008015755A1 (ja) 2009-12-17
US20090132814A1 (en) 2009-05-21
EP2048812A1 (fr) 2009-04-15
JP4894857B2 (ja) 2012-03-14
US8671280B2 (en) 2014-03-11

Similar Documents

Publication Publication Date Title
US8671280B2 (en) Program, method and apparatus for managing electronic documents
KR100822596B1 (ko) 전자 문서 관리 프로그램을 기록한 기록 매체, 전자 문서 관리 시스템 및 전자 문서 관리 방법
Froomkin Article 2B as Legal Software for Electronic Contracting-Operating System or Trojan Horse?
CN107256365A (zh) 一种保护公民身份证复印件安全使用技术
Smith The role of the notary in secure electronic commerce
Scoville Clear Signatures, Obscure Signs
Chokhani et al. RFC2527: Internet x. 509 Public Key Infrastructure Certificate Policy and Certification Practices Framework
Reed Legally binding electronic documents: digital signatures and authentication
Srivastava Electronic signatures for B2B contracts: evidence from Australia
JP4739404B2 (ja) 電子入札／開札プログラム、電子入札／開札システム、及び電子入札／開札方法
Blythe Singapore computer law: An international trend-setter with a moderate degree of technological neutrality
Atim Evidence In The Saudi Electronic Transaction System, A Comparative Study With The Uncitral Model Laws
Smedinghoff Electronic contracts and digital signatures
Smedinghoff the Legal Challenges of Implementing electronic transactions
Smedinghoff Certification Authority Liability Analysis
Freeman Digital signatures and electronic contracts
Capehart et al. Wired, Wonderful West Virginia-Electronic Signatures in the Mountain State
Myers Potential Liability under the Illinois Electronic Commerce Security Act: Is its a Risk Worth Taking
Minihan Electronic signature technologies: a tutorial.(Cover Story)
Chowbe Digital Signature
Ang et al. Certificate based PKI and B2B E-commerce: suitable match or not?
Ndahiro The East African Community Electronic Transactions Bill, 2014
Anderson et al. Document Authentication in Electronic Commerce: The Misleading Notary Public Analog for the Digital Signature Certification Authority, 17 J. Marshall J. Computer & Info. L. 833 (1999)
Authorities et al. Digital Signature Guidelines
Neitivanich Mechanisms for the Protection of Online Consumers-A Comparative Analysis of the US E-Sign Act and Thai E-Transactions Act

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 06782335

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2008527626

Country of ref document: JP

WWE Wipo information: entry into national phase

Ref document number: 2006782335

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE

NENP Non-entry into the national phase

Ref country code: RU